Improvement in quartz-crushers



No. 39,898. Patented sept; 15. 1863.

UNITE STATES PATENT 'OFFICEO JULIUS C. DIGKEY, OF SARA'IOGA SPRINGS, NEW YORK.

IMPROVEMENT IN QUARTZ-CRUSHERS.

Specification forming part ot' Letters Patent No. 39,898, dated September 15, 1863; antedated July 3, 1862.

hollow drum or wheel for the purpose of crushing and pulverizing quartz, Src.; also, the location and arrangement of a hopper through which the quartz passes into said wheel, and the location and arrangement of a sieve by which the pulverized quartz is sifted out of said wheel.

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.

Figure l shows a perspective view; Fig. 2, a

y cross vertical section, and Fig. 3 a longitudinal vertical section, showing the sections t' and j of wheel B, and a longitudinal vertical section of the stamper l and the hammers m m.

I secure together the sides of the frame A by means of the rods e, and secure the said frame to a firm foundation by means of the bolts g. The wheel B, I secure to the frame A in suitable bearings, and as shown by the drawings. The hopper C, I secure to a firm foundation by means of the bolts or screws It. The said hopper I make with a projection, (as shown in Fig. 2,) which is fitted into a recess in the hollow shaft on section 'a' of wheel B. This hopper or the said hollow shaft may be made with an adjustable cover or door, should it be found necessary to prevent the pulverized quartz from passing out of wheel B through said hopper. The said hopper, being secured to a foundation and separate from the frame A, is more readily adjusted than it could be if secured to said frame. It also answers a better purpose by being secured to a foundation, especially in large machines, which weigh several tons. Sections i, j, and 7c of wheel B, I secure together by means of the bolts u. The hollow shaft ou section z' of wheel B, I make with an incline plane, so that the quartz will more readily pass into said wheel B from the hopper U. l make the inside of section j of wheel B willi or without a step or projections as shown at letter o, and with reference tothe work to be performed by the machine. This section j of wheel B may be madewith holes passing through the same when it is desirable to crush quartz for various purposes, and when it is not necessary or desirable to pulverize said quartz, in which case there should be a suitable conductor secured to or on the out` side of wheel B. These holes passing through said section j'of wheel B may be made conical, round, or square, and with reference to the work to be performed by the machine, and when the machine is so used the use of the sieve D may be discontinued. In a slot, or between two projections on the inside of stamper Z, as shown in Figs. 2 and 3, I secure one end of the hammers m m by means of the bolts p p. These bolts pass through said projections and through one end of the hammer, and thereby secure the hammer to the stamper. I also secure said hammers to the stamper in any durable and convenient manner. I make the stamper with one or more holes passing through it, so that the quartz will pass through and under the stamper, and thereby become pulverized by the action of the stamper. The quartz will also pass under the stamper at the sides of the same. The inside of the stamper may be made with projections of various shapes, for the purpose of breaking` and crushing the quartz, and when the stamper is so made it may be used' without and separate from the hammers m m, or in combination with the hammers. I contemplate makingthis stamper with sides to it, so that the quartz will be retained in the stamper until it becomes sufficiently tine to pass through the holes in and under the stamper. When the stamperis made with sides to it, so as to retain the quartz, as aforesaid, the quartz will act or work upon quartz, and thereby become crushed and pulverized by its own action.

The combination of the hammers with the stamper will be very efcient in crushing and pulverizing quartz, Src. Y

The 11a-miners, stamper, and section j of wheel B, I make of chilled cast-iron, wrought-iron, or steel, and of such form as will be found receptacle.

Inost efficient for the purposes set forth. In the hollow shaft on section k of wheel B, as shown in Fig. 2, I secure the sieve D by means of the circular ring 2, the circular ring 2 be ing secured to section k by means of set-screws, and the sieve being secured between the ring 2 and section 7c. The location and arrangement of this sieve is such that quartz not pulverized very line will pass out and through it from wheel B into the hollow shaft on section 7c. In crushing quartz for making macadamized roads thc arrangement ofthe sieve is most desirable; but it may be used with equal advantagein crushing and pulverizing quartz for gold mining and other purposes. Irnake said sieve of any desirable and useful form. For some purposes one or more sieves may be secured in section i or in section k of wheel B,

with a suitable conductor secured to the outside of wheel B to conduct the quartz into a I make the inside of the hollow shaft on section 7o with an incline plane, so that the pulverized quartz will more readily pass out into a receptacle.

To the pulley @secured to section k, I attach a belt for the purpose of giving the wheel B a revolving motion.

Operation: When the hopper() is filled with quartz and power is applied to wheel B to give it a revolving motion, the quartz passes into said wheel, (as shown by the dotted line,) Where it is crushed and pulverized by the action of the hammers m m striking against the inside of the stamper l, and also by the action of stamper Zrolling on section j of and in said wheel B. When the quartz is sufliciently pulverized, it is forced into and through sieve D by the current of air produced by the action of the hammers and stamper.

I cla-im- The combination of one or more of the hammers m m with the stamperl for the purposes set forth. Y

JULrUs o. Diener. [n s] Witnesses:

I. H. PHILLIPS, H. W. THRooKMoRToN. 

